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Table 4

Mean (ν) and standard deviation (σ) on right ascension and declination in seconds of degrees for each satellite.

Observations ναcos δ σαcos δ νδ σδ N   Satellite
(′′) (′′) (′′) (′′)
Morley (1989), Hall-Newcomb-Harkness −0.6395 0.0000 0.5384 0.0000 1, 1 Phobos
US Naval Obs., Washington (before 1893) −0.9176 0.4875 1.3264 0.1682 4, 4 Deimos
Young (1880) −1.0632 0.0000 0.0000 0.0000 1, 0 Phobos
Princeton 1879 0.0000 0.0000 0.0000 0.0000 0, 0 Deimos
Morley (1989), US Naval Obs., Washington (since 1893) 0.0000 0.0000 0.0000 0.0000 0, 0 Phobos
USNO 1894 −1.0542 0.0000 0.3752 0.0000 1, 1 Deimos
Newall (1895) 0.0283 0.7718 −0.2615 0.7440 23, 22 Phobos
Cambridge 1894 0.0000 0.0000 0.0000 0.0000 0, 0 Deimos
Kostinsky (1909), Kostinskĭ (1913) 0.0442 0.3596 0.0654 0.4658 23, 24 Phobos
Pulkovo 1909 0.0029 0.5176 −0.0445 0.4297 22, 23 Deimos
Hall (1913) −0.3370 0.3341 0.0571 0.3727 38, 38 Phobos
USNO 1909 −0.5577 0.4243 0.2008 0.2360 31, 31 Deimos
Biesbroeck (1970) −0.1590 0.1340 −0.0217 0.0974 22, 22 Phobos
Mc Donald 1956 0.1590 0.1340 0.0217 0.0974 22, 22 Deimos
Robert et al. (2015), 61−inch 0.0022 0.0532 0.0021 0.0514 216, 216 Phobos
USNO (Flagstaff) 1967-1986 0.0018 0.0502 −0.0009 0.0534 254, 254 Deimos
Robert et al. (2015), 26−inch 0.0002 0.0383 0.0024 0.0379 424, 424 Phobos
USNO 1971−1997 −0.0006 0.0345 −0.0019 0.0343 450, 450 Deimos
Kiseleva (1976) −0.0135 0.2281 −0.0280 0.2048 17, 17 Phobos
Pulkovo 1973 0.0135 0.2281 0.0280 0.2048 17, 17 Deimos
Kudryavtsev et al. (1992) 0.0097 0.0750 −0.0150 0.0901 660, 660 Phobos
Shokin Majdanak 1988 −0.0035 0.0753 0.0022 0.0718 639, 639 Deimos
Bobylev et al. (1991), inter-satellite only 0.0217 0.3642 −0.0520 0.2276 50, 50 Phobos
Pulkovo 1988 0.0297 0.1824 −0.0171 0.2226 29, 29 Deimos
Colas (1992) −0.0215 0.0544 −0.0012 0.0639 813, 813 Phobos
Pic du Midi 1988 0.0215 0.0544 0.0012 0.0639 813, 813 Deimos
Jones et al. (1989) −0.0043 0.1191 0.0506 0.1150 154, 154 Phobos
La Palma 1988 −0.0574 0.1015 −0.0293 0.0984 78, 78 Deimos
Table Mountain Observatory (R.A. Jacobson, priv. comm.) 0.0244 0.0443 0.0112 0.1070 6, 6 Phobos
Table Mountain 2003 −0.1105 0.1334 −0.0355 0.0961 9, 9 Deimos
Pascu (priv. comm.), B filter 0.0116 0.0240 0.0104 0.0197 76, 76 Phobos
USNO (Flagstaff) 2003 −0.0116 0.0240 −0.0104 0.0197 76, 76 Deimos
Pascu (priv. comm.), V filter 0.0025 0.0324 0.0105 0.0339 75, 75 Phobos
USNO (Flagstaff) 2003 −0.0025 0.0324 −0.0105 0.0339 75, 75 Deimos
Pascu (priv. comm.), R filter −0.0006 0.0267 0.0218 0.0363 56, 56 Phobos
USNO (Flagstaff) 2003 0.0006 0.0267 −0.0218 0.0363 56, 56 Deimos

Notes. N is the number of observations by satellite.

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